<template>
  <Cascader v-bind="attrs" :value="state" :options="getOptions" @change="handleChange" />
</template>
<script lang="ts">
  import { defineComponent, PropType, ref, reactive, watchEffect, computed, unref, watch, onMounted } from "vue"
  import { Cascader } from "ant-design-vue"
  import { provinceAndCityData, regionData, provinceAndCityDataPlus, regionDataPlus } from "../../utils/areaDataUtil"
  import { useRuleFormItem } from "/@/hooks/component/useFormItem"
  import { propTypes } from "/@/utils/propTypes"
  import { useAttrs } from "/@/hooks/core/useAttrs"
  export default defineComponent({
    name: "JAreaLinkage",
    components: {
      Cascader,
    },
    inheritAttrs: false,
    props: {
      value: propTypes.oneOfType([propTypes.object, propTypes.array]),
      //是否显示区县
      showArea: propTypes.bool.def(true),
      //是否是全部
      showAll: propTypes.bool.def(false),
    },
    emits: ["options-change", "change"],
    setup(props, { emit, refs }) {
      const emitData = ref<any[]>([])
      const attrs = useAttrs()
      const [state] = useRuleFormItem(props, "value", "change", emitData)
      const getOptions = computed(() => {
        if (props.showArea && props.showAll) {
          return regionDataPlus
        }
        if (props.showArea && !props.showAll) {
          return regionData
        }
        if (!props.showArea && !props.showAll) {
          return provinceAndCityData
        }
        if (!props.showArea && props.showAll) {
          return provinceAndCityDataPlus
        }
      })
      /**
       * 监听value变化
       */
      watchEffect(() => {
        props.value && initValue()
      })

      /**
       * 将字符串值转化为数组
       */
      function initValue() {
        let value = props.value ? props.value : []
        if (value && typeof value === "string" && value != "null" && value != "undefined") {
          state.value = value.split(",")
        }
      }

      function handleChange(array, ...args) {
        // emitData.value = args;
        // 树表、单表、jvxe、erp 、内嵌子表省市县 选择不上
        // 上面改的v-model:value导致选中数据没有显示
        state.value = array
      }
      return {
        state,
        attrs,
        regionData,
        getOptions,
        handleChange,
      }
    },
  })
</script>
